Guanosine
CAS 118-00-3
This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.
Why supply is unknownProduction is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Where It Comes From
Customs basis: HS 293499 · basket
These shares come from HS customs code 293499, which covers 575 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Finland
- Netherlands
- Canada
- Indonesia
- Mexico
- Taiwan
- South Korea
- Austria
- Croatia
- Sweden
- Ukraine
- Denmark
- Israel
- Czech Republic
- New Zealand
- Hong Kong
- Kyrgyzstan
- Australia
- Portugal
- South Africa
- Poland
- Slovenia
- Brazil
- Slovakia
- Vietnam
- Latvia
- Malta
- Hungary
- Romania
- Kenya
- Belarus
- Russia
- Turkey
- Norway
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
37 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $0.04 | 500 g | 98% |
| A2B Chem LLC | United States | $0.08 | 1 kg | 98% |
| AA BLOCKS | United States | $0.09 | 1 kg | 98% |
| Chemscene | United States | $0.11 | 1 kg | — |
| Fluorochem EU | Germany | $0.11 | 100 g | 95% |
| BLD Pharmatech Ltd. | China | $0.11 | 1 kg | 98% |
| BLD Pharmatech GmbH | Germany | $0.11 | 1 kg | 98% |
| Ambeed, Inc. | United States | $0.11 | 1 kg | 98% |
| BLD Pharmatech Co., Limited | United States | $0.11 | 1 kg | 98% |
| Apollo Scientific UK | United Kingdom | $0.14 | 500 g | 98% |
| AstaTech, Inc | United States | $0.20 | 500 g | 97% |
| AK Scientific Specialized | United States | $0.20 | 1 kg | 98% |
| AK Scientific, Inc. | United States | $0.25 | 1 kg | 99% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| Fluorochem UK | United Kingdom | $0.40 | 25 g | 95% |
| Angene International Limited | United States | $0.53 | 500 g | 99% |
| Cayman Europe | Estonia | $3.19 | 25 g | 98% |
| TargetMol Chemicals | China → United States | $15.00 | 2 g | 99.95% |
| MedKoo Biosciences, Inc | United States | $22.00 | 25 g | 98% |
| Interbioscreen | Hong Kong | $34.00 | 10 g | 95% |
| MedChemExpress MCE | Sweden | $37.51 | 1 g | 99.87% |
| ChemNorm | China | $150.00 | 100 mg | 98% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Combi-Blocks (back-ordered) | United States | $410.00 | 1 g | 95% |
| AA BLOCKS (1 week) | United States | $644.00 | 1 g | 98% |
| A2B Chem LLC (1 week) | United States | $644.00 | 1 g | 98% |
| TargetMol Chemicals EU | Austria | $660.00 | 100 mg | 99.93% |
| AstaTech (2 weeks) | United States | $1304.00 | 250 mg | 95% |
| ChemFaces | China | $1500.00 | 20 mg | 98% |
| Otava, Ltd. | Ukraine | $2724.00 | 50 mg | 90% |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 mg | 90% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $3170.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $36061.20 | 25 mg | 98% |
| Sigma-Aldrich | Germany | $36061.20 | 25 mg | 98% |
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Guanosine (CAS 118-00-3) https://chemicalindependence.com/chemical/118-00-3/ EPA TSCA Inventory: CAS 118-00-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293499 for CAS 118-00-3. Reporting year: 2024. https://usatrade.census.gov/